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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/2465

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dc.contributor.authorSingh, A K-
dc.contributor.authorBasumatary, J K-
dc.contributor.authorSingh, T P-
dc.contributor.authorPadmanabhan, B-
dc.identifier.citationJournal of Organometallic Chemistry,424 (1,4), 33-39p.en
dc.description.abstractThe crystal structures of Ph3Te(μ-S2COMe)2TePh3 (1) and Ph3Te(S2CO(iBu)) (2) have been determined by X-ray diffraction. The two xanthate ligands bridge the two tellurium atoms in triphenyltellurium(IV) methylxanthate. The coordination environment around each Te atom of 1 is a distorted octahedron. The three Te---C (phenyl) carbon atoms form one fac set and the two Te---S bonds along with the lone pair form the other. The Te---S bonds are long, suggesting that they are weak. The xanthate ligand in 2 is chelated with tellurium. The chelation of the iBUOCS−2 skeleton is asymmetric and weak, the Te---S bond lengths being 3.535(4) and 3.123(4) Å. The change in the mode of coordination of the xanthate ligand arises from the greater steric influence of the iBu group.en
dc.format.extent141218 bytes-
dc.subjectXanthate ligandsen
dc.subjectTellurium atomsen
dc.titleCrystal structures of triphenyltellurium(IV) methylxanthate and isobutylxanthate — dependence on the steric influence of the alkyl group of the xanthate systemen
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